Quercitrin
Encyclopedia
Quercitrin is a glycoside
formed from the flavonoid
quercetin
and the deoxy sugar
rhamnose
. It is a constituent of the dye quercitron
. It can be found in Tartary buckwheat (Fagopyrum tataricum).
Glycoside
In chemistry, a glycoside is a molecule in which a sugar is bound to a non-carbohydrate moiety, usually a small organic molecule. Glycosides play numerous important roles in living organisms. Many plants store chemicals in the form of inactive glycosides. These can be activated by enzyme...
formed from the flavonoid
Flavonoid
Flavonoids , are a class of plant secondary metabolites....
quercetin
Quercetin
Quercetin , a flavonol, is a plant-derived flavonoid found in fruits, vegetables, leaves and grains. It also may be used as an ingredient in supplements, beverages or foods.-Occurrence:...
and the deoxy sugar
Deoxy sugar
Deoxy sugars are sugars that have had a hydroxyl group replaced with a hydrogen atom.Examples include:* Deoxyribose * Fucose* Rhamnose-External links:*...
rhamnose
Rhamnose
Rhamnose is a naturally occurring deoxy sugar. It can be classified as either a methyl-pentose or a 6-deoxy-hexose. Rhamnose occurs in nature in its L-form as L-rhamnose . This is unusual, since most of the naturally occurring sugars are in D-form...
. It is a constituent of the dye quercitron
Quercitron
Quercitron is a yellow natural dye obtained from the bark of the Eastern Black Oak , a forest tree indigenous in North America....
. It can be found in Tartary buckwheat (Fagopyrum tataricum).